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pnmsmooth - smooth out an image
pnmsmooth [-size width height]
[-dump dumpfile] [pnmfile]
Smooths out an image by replacing
each pixel with the average of its width X height neighbors. It is implemented
as a C progam that generates a PGM convolution matrix and then invokes
pnmconvol.
- -size width height
- Specifies the size of the convolution
matrix. Default size is a 3x3 matrix. Width and height sizes must be odd.
Maximum size of convolution matrix is limited by the maximum value for
a pixel such that (width * height * 2) must not exceed the maximum pixel
value.
- -dump dumpfile
- Generates and saves the convolution file only. Use of
this option does not invoke pnmconvol.
pnmconvol(1)
, pnm(5)
Copyright
(C) 1989, 1991 by Jef Poskanzer.
Converted from script to C program December 1994 by Mike Burns (burns@chem.psu.edu).
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